Merge pull request #8959 from aabadie/pr/cpu/guard_atmega_common

cpu/atmega_common: remove useless periph file guard

cpu/atmega_common/periph/i2c.c

@@ -32,9 +32,6 @@
 #include "debug.h"
 #define ENABLE_DEBUG      (0)
 
-/* guard file in case no I2C device is defined */
-#if I2C_NUMOF
-
 #define MT_START            0x08
 #define MT_START_REPEATED   0x10
 #define MT_ADDRESS_ACK      0x18
@@ -369,5 +366,3 @@ static void _stop(void)
     DEBUG("STOP condition transmitted\n");
     TWCR = 0;
 }
-
-#endif /* I2C_NUMOF */

cpu/atmega_common/periph/timer.c

@@ -62,9 +62,7 @@ typedef struct {
 
 /**
  * @brief   Allocate memory for saving the device states
- * @{
  */
-#ifdef TIMER_NUMOF
 static ctx_t ctx[] = {
 #ifdef TIMER_0
     { TIMER_0, TIMER_0_MASK, TIMER_0_FLAG, NULL, NULL, 0, 0 },
@@ -79,11 +77,6 @@ static ctx_t ctx[] = {
     { TIMER_3, TIMER_3_MASK, TIMER_3_FLAG, NULL, NULL, 0, 0 },
 #endif
 };
-#else
-/* fallback if no timer is configured */
-static ctx_t *ctx[] = {{ NULL }};
-#endif
-/** @} */
 
 /**
  * @brief Setup the given timer

cpu/atmega_common/periph/uart.c

@@ -58,9 +58,7 @@
 
 /**
  * @brief   Configured device map
- * @{
  */
-#if UART_NUMOF
 static mega_uart_t *dev[] = {
 #ifdef UART_0
     UART_0,
@@ -75,10 +73,6 @@ static mega_uart_t *dev[] = {
     UART_3
 #endif
 };
-#else
-/* fallback if no UART is defined */
-static const mega_uart_t *dev[] = { NULL };
-#endif
 
 /**
  * @brief   Allocate memory to store the callback functions.